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Stock Based Compensation - Stock Appreciation Rights (Details) - USD ($)	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Weighted Average Grant Date Fair Value
Grant price (in USD per share)	$ 10
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding	$ 135,000
Unrecognized compensation expense	$ 11,000	$ 149,000
Stock Appreciation Rights (SARs)
Number of Shares
Beginning Balance (in shares)	177,016
Granted (in shares)	0
Exercised (in shares)	0
Forfeited (in shares)	0
Ending Balance (in shares)	177,016
Exercisable at the end of period (in shares)	124,801
Weighted Average Grant Date Fair Value
Beginning balance (in dollars per share)	$ 2.57
Granted (in dollars per share)	0
Exercised (in dollars per share)	0
Forfeited (in dollars per share)	0
Ending balance (in dollars per share)	2.57
Exercisable at the period end (in dollars per share)	$ 2.57
Stock Appreciation Rights (SARs) | General and Administrative Expense
Weighted Average Grant Date Fair Value
Compensation costs	$ 33,000	$ 30,000

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Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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